Q:

What is the molar heat capacity of liquid water?

A:

Quick Answer

The molar heat capacity of liquid water is 75.348 J/mol K. It is calculated as the product of the specific heat capacity of liquid water and the molar mass of water.

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What is the molar heat capacity of liquid water?
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Full Answer

The specific heat capacity of liquid water is 4.186 J/gm K. This means that each gram of liquid water requires 4.186 Joules of heat energy to raise its temperature by one degree Kelvin. One molar mass of water is equivalent to 18 grams. Therefore, the molar heat capacity becomes the product of 4.186 and 18. It implies that 75.348 Joules of heat energy are needed to raise the temperature of 18 grams of liquid water by one degree Kelvin.

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